syzbot


INFO: task hung in netlink_rcv_skb

Status: auto-closed as invalid on 2022/08/18 05:23
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 196d, last: 196d

Sample crash report:
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd7f7a890e9
RSP: 002b:00007fd7f8b07168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd7f7b9c1d0 RCX: 00007fd7f7a890e9
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 000000000000000e
RBP: 00007fd7f7ae308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd7f80cfb1f R14: 00007fd7f8b07300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.2:29105 blocked for more than 159 seconds.
      Not tainted 5.18.0-rc7-syzkaller-00119-gb015dcd62b86 #0
task:syz-executor.2  state:D stack:27880 pid:29105 ppid:  3643 flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5073 [inline]
 __schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
 schedule+0xd2/0x1f0 kernel/sched/core.c:6460
 __mutex_lock_common kernel/locking/mutex.c:673 [inline]
 __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2022/05/20 05:22 upstream b015dcd62b86 cb1ac2e7 .config log report info INFO: task hung in netlink_rcv_skb
* Struck through repros no longer work on HEAD.